[Iscsitarget-devel] Kernel panic with serial console output

[rick blundell]

Hi, my server is crashing daily, I captured the report below.

2.6.18-92.el5PAE

CentOS 5.2

iscsid version 1.4.20.2

The only software running in the system is ietd, sample config:

ietd.conf:

Target iqn.2008-09:goofy.target

        Alias target

        Lun 0 Path=/dev/raid/server1,Type=fileio,IOMode=wt,ScsiId=4me9akasd97uts

        MaxRecvDataSegmentLength 8192

        MaxBurstLength 262144

        MaxXmitDataSegmentLength 8192

        FirstBurstLength 65536

        DataDigest None

        MaxOutstandingR2T 1

        InitialR2T Yes

        ImmediateData No

        HeaderDigest None

        Wthreads 8

goofy.servername.com login: BUG: unable to handle kernel NULL pointer dereference at virtual address 00000010

 printing eip:

f8b2314e

*pde = 36c29001

Oops: 0000 [#1]

SMP

last sysfs file: /class/usb_device/usbdev2.2/dev

Modules linked in: joydev md5 iscsi_trgt(U) bonding ip6t_REJECT xt_tcpudp ip6table_filter ip6_tables x_tables ipv6 xfrm_nalgo crypto_api dm_snapshot dm_mirror dm_multipath dm_mod video sbs backlight i2c_ec button battery asus_acpi ac lp i2c_i801 floppy e1000e i2c_core i5000_edac parport_pc edac_mc parport sg pcspkr usb_storage ata_piix libata arcmsr sd_mod scsi_mod ext3 jbd uhci_hcd ohci_hcd ehci_hcd

CPU:    1

EIP:    0060:[<f8b2314e>]    Tainted: G      VLI

EFLAGS: 00010246   (2.6.18-92.el5PAE #1)

EIP is at disk_execute_cmnd+0x6b/0x1f1 [iscsi_trgt]

eax: 00000000   ebx: f788b8a0   ecx: 00000000   edx: 00000006

esi: f788b884   edi: f788b884   ebp: 00000000   esp: ef58df9c

ds: 007b   es: 007b   ss: 0068

Process istiod25 (pid: 3608, ti=ef58d000 task=efc5d000 task.ti=ef58d000)

Stack: f7

Does this report offer any clues to the issue? 

Rick